Jeep Cherokee (XJ): Emission control systems
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Emission control systems
- On-board diagnostics
- Emission system. Malfunction indicator lamp (mil). State display test mode
- Circuit actuation test mode. Diagnostic trouble codes. Diagnostic trouble code descriptions
- Task manager
- Monitored systems
- Trip definition. Component monitors. Non-monitored circuits
- High and low limits. Load value
- Evaporative emission controls
A/C APPLICATION TABLE
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Other materials:
Description and operation
Ignition system
DESCRIPTION
Two different ignition systems are used. One type
is used for the 2.5L 4-cylinder engine. The other is
used for the 4.0L 6-cylinder engine.
OPERATION
2.5L 4-Cylinder Engine:
The ignition system is controlled by the Powertrain
Control Module (PCM).
The ignition s ...